ISO 10642 Flat Head Socket Cap Screw
ISO 10642 Flat Head Socket Cap Screws
DIN Equivalent: DIN 7991 | Countersunk Hex Socket Screws
ISO 10642 flat head socket cap screws feature a 90° countersunk head with internal hex drive. When installed in a countersunk hole, the head sits flush with or below the surface — essential for smooth surfaces, moving parts, and aesthetic applications.
Quick Specifications
Key Features
Flush Mount Design
90° countersunk head sits flush with or below the surface in properly countersunk holes. Zero protrusion.
Clearance for Moving Parts
Flush surface eliminates interference with slides, bearings, and moving components passing over the fastened surface.
High Torque Capacity
Hex socket drive delivers more torque than Phillips countersunk screws without cam-out.
Clean Aesthetic
Smooth surface appearance when countersunk. Ideal for visible applications requiring professional finish.
Dimension Chart
| Size | Pitch | Head Dia. (dk) | Head Angle | Hex Key Size |
|---|---|---|---|---|
| M3 | 0.5 mm | 6.72 mm | 90° | 2 mm |
| M4 | 0.7 mm | 8.96 mm | 90° | 2.5 mm |
| M5 | 0.8 mm | 11.2 mm | 90° | 3 mm |
| M6 | 1.0 mm | 13.44 mm | 90° | 4 mm |
| M8 | 1.25 mm | 17.92 mm | 90° | 5 mm |
| M10 | 1.5 mm | 22.4 mm | 90° | 6 mm |
| M12 | 1.75 mm | 26.88 mm | 90° | 8 mm |
| M16 | 2.0 mm | 33.6 mm | 90° | 10 mm |
ISO 10642 vs DIN 7991
💡 Are They Interchangeable?
Yes — ISO 10642 and DIN 7991 are dimensionally identical. Both specify the same 90° countersunk head with internal hex drive. They are fully interchangeable in all applications.
Common Applications
Shop ISO 10642 Flat Head Screws
90° countersunk heads. Available in Class 8.8, 10.9, and stainless steel.
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